在ubuntu中将dict.txt导入到数据库sqlite3

将dict.txt导入到数据库

cpp 复制代码

#include <head.h>
#include <sqlite3.h>
int do_insert(int i,char *str,sqlite3 *db);
int main(int argc, const char *argv[])
{
	//创建泵打开一个数据库
	sqlite3 *db = NULL;
	if(sqlite3_open("./my.db",&db) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_open:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("打开数据库my.db成功\n");

	//创建一个表格 在sqlite中 create table stu (字段名 类型,字段名 类型~~~~);
	char sql[128] = "create table if not exists dict (id int primary key, words char, translate char);";
	char *errmsg = NULL;
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("create table dict success\n");
	
	//以读的方式打开dict.txt文件
	FILE *fp = fopen("./dict.txt","r");
	int i = 1;
	char buf[128] = "";
	while(1)
	{
		if(fgets(buf,sizeof(buf),fp) == NULL)
		{
			break;
		}
		do_insert(i++,buf,db);
		bzero(buf,sizeof(buf));
	}

	//关闭数据库
	if(sqlite3_close(db) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_close:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("数据库关闭成功\n");
	fclose(fp);
	return 0;
}

//插入（全文字段插入）
int do_insert(int i,char *str,sqlite3 *db)
{
	char sql[128] = "";
	sprintf(sql,"insert into dict values (%d, \"%s);",i,str);
	char *errmsg = NULL;
	char *p =NULL;
	int n = strlen(sql);
	sql[n-3] = '"';
	for(int j=32;j<=strlen(sql);j++)
	{
		if(sql[j] == ' ')
		{
			sql[j]='"';
			sql[j+1]=',';
			sql[j+2]='"';
			break;

		}
	}

	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__\n",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("%d insert into dict values success\n",i);

	return 0;
}

dict文件（部分）

结果为：

一些不成熟的功能

cpp 复制代码

#include <head.h>
#include <sqlite3.h>
int do_insert(sqlite3 *db);
int	do_delete(sqlite3 *db);
int do_update(sqlite3 *db);
//int do_select(sqlite3 *db);
int main(int argc, const char *argv[])
{
	//创建泵打开一个数据库
	sqlite3 *db = NULL;
	if(sqlite3_open("./my.db",&db) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_open:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("打开数据库my.db成功\n");

	//创建一个表格 在sqlite中 create table stu (字段名 类型,字段名 类型~~~~);
	char sql[128] = "create table if not exists dict (id int primary key, words char, translate char);";
	char *errmsg = NULL;
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("create table dict success\n");

	char choose = 0;
	while(1)
	{
		printf("------------------------------\n");
		printf("-----------1.插入-------------\n");
		printf("-----------2.删除-------------\n");
		printf("-----------3.修改-------------\n");
		printf("-----------4.查询-------------\n");
		printf("-----------5.退出-------------\n");
		printf("------------------------------\n");

		printf("请输入>>> ");
		choose = getchar();
		while(getchar() != 10);

		switch(choose)
		{
		case '1':
			do_insert(db);
			break;
		case '2':
			do_delete(db);
			break;
		case '3':
			do_update(db);
			break;
		case '4':
	//		do_select(db);
			break;
		case '5':
			goto END;
		default:
			printf("输入无效，请重新输入>>> ");
		}

	}



END:
	//关闭数据库
	if(sqlite3_close(db) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_close:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("数据库关闭成功\n");
	return 0;
}

//插入（全文字段插入）
int do_insert(sqlite3 *db)
{
	int id = 0;
	char words[128] = "";
	char translate[128] = "";
	char sql[128] = "";
	printf("输入序号 单词 解释\n");
	scanf("%d %s %s",&id,words,translate);
	while(getchar() != 10);
	sprintf(sql,"insert into dict values (%d, '%s', '%s');",id,words,translate);
	char *errmsg = NULL;
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("insert into dict values success\n");

	return 0;
}

//删除表格中所有的数据
int	do_delete(sqlite3 *db)
{
	char table[128] = "";
	char sql[128] = "";
	printf("输入要删除记录的表格\n");
	scanf("%s",table);
	while(getchar() != 10);
	sprintf(sql,"delete from %s;",table);
	char *errmsg = NULL;
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("delete from %s success\n",table);

	return 0;
}

//修改表格中记录以id号为限制条件
int do_update(sqlite3 *db)
{
	char table[128] = "";
	int id = 0;
	char words[128] = "";
	char sql[128] = "";
	printf("请输入要修改的表格,该修改为修改单词，所以输入格式为表格名称 序号 单词\n");
	scanf("%s %d %s",table,&id,words);
	while(getchar() != 10);
	sprintf(sql,"update %s set words='%s' where id=%d;",table,words,id);
	char *errmsg = NULL;
	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("update success\n");

	return 0;
}
/*
//查看所有记录
int do_select(sqlite3 *db)
{
	printf("请输入要查看的表格\n");
	char table[128] = "";
	char sql[128] = "";
	scanf("%s",table);
	while(getchar() != 10);
	sprintf(sql,"select * from %s;",table);
	char *errmsg = NULL;

	if(sqlite3_exec(db,sql,NULL,NULL,&errmsg) != SQLITE_OK)
	{
		fprintf(stderr,"sqlite3_exec:[%d] %s __%d__",\
				sqlite3_errcode(db),sqlite3_errmsg(db),__LINE__);
		return -1;
	}
	printf("select success\n");

	return 0;
}
*/